5-6” (12-15cm) Japanese Koi

5–6” Japanese Koi (12–15cm) – Hand Selected

Want to step into Japanese koi without jumping straight to high prices?

Our 5–6” Japanese koi are the perfect starting point — smaller, but already showing the quality, colour and pattern that Japanese koi are known for.

Sourced from trusted breeders, each koi is carefully selected for:

• Clean, vibrant colour
• Balanced, developing patterns
• Strong health and growth potential

👉 This is where you start to see the difference between standard koi and true Japanese quality

🌟 Why choose 12–15cm Japanese koi?

• Entry point into Japanese koi at a sensible price
• Better colour and pattern potential than standard koi
• Great size to grow on and develop yourself
• Ideal for building a higher-quality pond over time

📦 What to expect

• Size: 5–6” (12–15cm approx.)
• Genuine Japanese koi (mixed varieties depending on availability)
• Securely packed with pure oxygen
• Covered by our Live Arrival Guarantee

💧 Care Requirements

To get the best from Japanese koi, stable water and space are key:

• Stocking guide: Minimum 500–1,000 litres per koi
• Filtration: Good filtration required
• Water parameters:
• Ammonia: 0
• Nitrite: 0
• Nitrate: Low
• Temperature: Ideally above 10°C
• Acclimation: Float bag for 15–20 minutes before release

👉 Tip: These koi will reward good care with fast growth and improving colour and pattern.

⚠️ Important

These koi are still developing and will:

• Grow quickly with the right conditions
• Improve in colour and pattern over time
• Become standout fish as they mature

🛒 The smart way to start Japanese koi

If you want:

• A step up from standard koi
• Real Japanese quality at a lower price point
• Fish you can grow into something special

👉 This is the size to start with.

Start your Japanese koi journey properly — order today and grow them on your way.